Headset



FIG. 1 is a front view of the headset.

FIG. 2 is a back view thereof.

FIG. 3 is a right-side view thereof.

FIG. 4 is a left-side view thereof.

FIG. 5 is a top view thereof.

FIG. 6 is a bottom view thereof; and,

FIG. 7 is a perspective view thereof. 

The ornamental design for headset, as shown and described. 